Wire arc spraying

Wire arc spraying · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC23C4/131
Official titleWire arc spraying
Display labelWire arc spraying
Total patents325

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201527
201626
201737
201838
201929
202031
202136
202225
202327
202424
202523
20262

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C23C4/131?
CPC C23C4/131 is the Cooperative Patent Classification code for “Wire arc spraying.”
How many patents are filed under CPC C23C4/131 (Wire arc spraying)?
Our database includes 325 publications tagged with this CPC code.
Is patent activity under CPC C23C4/131 growing?
Publication counts under this code: 24 in 2024 vs 23 in 2025 (latest complete years).